Home / 56,935.11-78,570.43-31,784.61

Finding the Fourth Proportional to 56,935.11, 78,570.43 and 31,784.61

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Solution

The fourth proportional to 56,935.11, 78,570.43 and 31,784.61 is: 43,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.11 : 78,570.43 = 31,784.61 : x
  2. Step 2: Convert to fraction form
    56,935.11/78,570.43 = 31,784.61/x
  3. Step 3: Cross multiply
    56,935.11x = 78,570.43 × 31,784.61
  4. Step 4: Simplify right side
    56,935.11x = 2,497,330,475.08
  5. Step 5: Solve for x
    x = 2,497,330,475.08/56,935.11
  6. Step 6: Final answer
    x = 43,862.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.